/**
  ******************************************************************************
  * @file    stm32f4xx_sai.h
  * @author  MCD Application Team
  * @version V1.4.0
  * @date    04-August-2014
  * @brief   This file contains all the functions prototypes for the SAI 
  *          firmware library.  
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_SAI_H
#define __STM32F4xx_SAI_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"

/** @addtogroup STM32F4xx_StdPeriph_Driver
  * @{
  */

/** @addtogroup SAI
  * @{
  */

/* Exported types ------------------------------------------------------------*/

/** 
  * @brief  SAI Block Init structure definition  
  */

typedef struct
{
    uint32_t SAI_AudioMode;     /*!< Specifies the SAI Block Audio Mode.
                                         This parameter can be a value of @ref SAI_Block_Mode */

    uint32_t SAI_Protocol;      /*!< Specifies the SAI Block Protocol.
                                         This parameter can be a value of @ref SAI_Block_Protocol */

    uint32_t SAI_DataSize;      /*!< Specifies the SAI Block data size.
                                         This parameter can be a value of @ref SAI_Block_Data_Size 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/

    uint32_t SAI_FirstBit;      /*!< Specifies whether data transfers start from MSB or LSB bit.
                                         This parameter can be a value of @ref SAI_Block_MSB_LSB_transmission 
                                         @note this value has no meaning when AC'97 or SPDIF protocols are selected.*/

    uint32_t SAI_ClockStrobing; /*!< Specifies the SAI Block clock strobing edge sensitivity.
                                         This parameter can be a value of @ref SAI_Block_Clock_Strobing */

    uint32_t SAI_Synchro;       /*!< Specifies SAI Block synchronization
                                         This parameter can be a value of @ref SAI_Block_Synchronization */

    uint32_t SAI_OUTDRIV;       /*!< Specifies when SAI Block outputs are driven.
                                         This parameter can be a value of @ref SAI_Block_Output_Drive
                                         @note this value has to be set before enabling the audio block  
                                               but after the audio block configuration. */

    uint32_t SAI_NoDivider;     /*!< Specifies whether Master Clock will be divided or not.
                                         This parameter can be a value of @ref SAI_Block_NoDivider */

    uint32_t SAI_MasterDivider; /*!< Specifies SAI Block Master Clock Divider. 
                                         @note the Master Clock Frequency is calculated accordingly to the  
                                               following formula : MCLK_x = SAI_CK_x/(MCKDIV[3:0]*2)*/

    uint32_t SAI_FIFOThreshold; /*!< Specifies SAI Block FIFO Threshold.
                                         This parameter can be a value of @ref SAI_Block_Fifo_Threshold */
} SAI_InitTypeDef;

/** 
  * @brief  SAI Block Frame Init structure definition  
  */

typedef struct
{
    uint32_t SAI_FrameLength;       /*!< Specifies the Frame Length, the number of SCK clocks 
                                         for each audio frame.
                                         This parameter must be a number between 8 and 256.
                                         @note If master Clock MCLK_x pin is declared as an output, the frame length
                                               should be Aligned to a number equal to power of 2 in order to keep 
                                              in an audio frame, an integer number of MCLK pulses by bit Clock.                                                 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/

    uint32_t SAI_ActiveFrameLength; /*!< Specifies the Frame synchronization active level length.
                                         This Parameter specifies the length in number of bit clock (SCK + 1)  
                                         of the active level of FS signal in audio frame.
                                         This parameter must be a number between 1 and 128. 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/

    uint32_t SAI_FSDefinition;      /*!< Specifies the Frame Synchronization definition.
                                         This parameter can be a value of @ref SAI_Block_FS_Definition 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/

    uint32_t SAI_FSPolarity;        /*!< Specifies the Frame Synchronization Polarity.
                                         This parameter can be a value of @ref SAI_Block_FS_Polarity 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/

    uint32_t SAI_FSOffset;          /*!< Specifies the Frame Synchronization Offset.
                                         This parameter can be a value of @ref SAI_Block_FS_Offset 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/

} SAI_FrameInitTypeDef;

/**
  * @brief   SAI Block Slot Init Structure definition
  */

typedef struct
{
    uint32_t SAI_FirstBitOffset; /*!< Specifies the position of first data transfer bit in the slot.
                                         This parameter must be a number between 0 and 24. 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/

    uint32_t SAI_SlotSize;       /*!< Specifies the Slot Size.
                                         This parameter can be a value of @ref SAI_Block_Slot_Size 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/

    uint32_t SAI_SlotNumber;     /*!< Specifies the number of slot in the audio frame.
                                         This parameter must be a number between 1 and 16. 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/

    uint32_t SAI_SlotActive;     /*!< Specifies the slots in audio frame that will be activated.
                                         This parameter can be a value of @ ref SAI_Block_Slot_Active 
                                         @note this value is ignored when AC'97 or SPDIF protocols are selected.*/
} SAI_SlotInitTypeDef;

/* Exported constants --------------------------------------------------------*/

/** @defgroup SAI_Exported_Constants
  * @{
  */

#define IS_SAI_PERIPH(PERIPH) ((PERIPH) == SAI1)

#define IS_SAI_BLOCK_PERIPH(PERIPH) (((PERIPH) == SAI1_Block_A) || ((PERIPH) == SAI1_Block_B))


/** @defgroup SAI_Block_Mode 
  * @{
  */
#define SAI_Mode_MasterTx       ((uint32_t)0x00000000)
#define SAI_Mode_MasterRx       ((uint32_t)0x00000001)
#define SAI_Mode_SlaveTx        ((uint32_t)0x00000002)
#define SAI_Mode_SlaveRx        ((uint32_t)0x00000003)
#define IS_SAI_BLOCK_MODE(MODE) (((MODE) == SAI_Mode_MasterTx) || ((MODE) == SAI_Mode_MasterRx) || ((MODE) == SAI_Mode_SlaveTx) || ((MODE) == SAI_Mode_SlaveRx))
/**
  * @}
  */

/** @defgroup SAI_Block_Protocol 
  * @{
  */

#define SAI_Free_Protocol               ((uint32_t)0x00000000)
#define SAI_SPDIF_Protocol              ((uint32_t)SAI_xCR1_PRTCFG_0)
#define SAI_AC97_Protocol               ((uint32_t)SAI_xCR1_PRTCFG_1)
#define IS_SAI_BLOCK_PROTOCOL(PROTOCOL) (((PROTOCOL) == SAI_Free_Protocol) || ((PROTOCOL) == SAI_SPDIF_Protocol) || ((PROTOCOL) == SAI_AC97_Protocol))
/**
  * @}
  */

/** @defgroup SAI_Block_Data_Size 
  * @{
  */

#define SAI_DataSize_8b                 ((uint32_t)0x00000040)
#define SAI_DataSize_10b                ((uint32_t)0x00000060)
#define SAI_DataSize_16b                ((uint32_t)0x00000080)
#define SAI_DataSize_20b                ((uint32_t)0x000000A0)
#define SAI_DataSize_24b                ((uint32_t)0x000000C0)
#define SAI_DataSize_32b                ((uint32_t)0x000000E0)
#define IS_SAI_BLOCK_DATASIZE(DATASIZE) (((DATASIZE) == SAI_DataSize_8b) || ((DATASIZE) == SAI_DataSize_10b) || ((DATASIZE) == SAI_DataSize_16b) || ((DATASIZE) == SAI_DataSize_20b) || ((DATASIZE) == SAI_DataSize_24b) || ((DATASIZE) == SAI_DataSize_32b))
/**
  * @}
  */

/** @defgroup SAI_Block_MSB_LSB_transmission 
  * @{
  */

#define SAI_FirstBit_MSB            ((uint32_t)0x00000000)
#define SAI_FirstBit_LSB            ((uint32_t)SAI_xCR1_LSBFIRST)
#define IS_SAI_BLOCK_FIRST_BIT(BIT) (((BIT) == SAI_FirstBit_MSB) || ((BIT) == SAI_FirstBit_LSB))
/**
  * @}
  */

/** @defgroup SAI_Block_Clock_Strobing 
  * @{
  */

#define SAI_ClockStrobing_FallingEdge      ((uint32_t)0x00000000)
#define SAI_ClockStrobing_RisingEdge       ((uint32_t)SAI_xCR1_CKSTR)
#define IS_SAI_BLOCK_CLOCK_STROBING(CLOCK) (((CLOCK) == SAI_ClockStrobing_FallingEdge) || ((CLOCK) == SAI_ClockStrobing_RisingEdge))
/**
  * @}
  */

/** @defgroup SAI_Block_Synchronization 
  * @{
  */

#define SAI_Asynchronous              ((uint32_t)0x00000000)
#define SAI_Synchronous               ((uint32_t)SAI_xCR1_SYNCEN_0)
#define IS_SAI_BLOCK_SYNCHRO(SYNCHRO) (((SYNCHRO) == SAI_Synchronous) || ((SYNCHRO) == SAI_Asynchronous))
/**
  * @}
  */

/** @defgroup SAI_Block_Output_Drive 
  * @{
  */

#define SAI_OutputDrive_Disabled         ((uint32_t)0x00000000)
#define SAI_OutputDrive_Enabled          ((uint32_t)SAI_xCR1_OUTDRIV)
#define IS_SAI_BLOCK_OUTPUT_DRIVE(DRIVE) (((DRIVE) == SAI_OutputDrive_Disabled) || ((DRIVE) == SAI_OutputDrive_Enabled))
/**
  * @}
  */


/** @defgroup SAI_Block_NoDivider 
  * @{
  */

#define SAI_MasterDivider_Enabled         ((uint32_t)0x00000000)
#define SAI_MasterDivider_Disabled        ((uint32_t)SAI_xCR1_NODIV)
#define IS_SAI_BLOCK_NODIVIDER(NODIVIDER) (((NODIVIDER) == SAI_MasterDivider_Enabled) || ((NODIVIDER) == SAI_MasterDivider_Disabled))
/**
  * @}
  */


/** @defgroup SAI_Block_Master_Divider 
  * @{
  */
#define IS_SAI_BLOCK_MASTER_DIVIDER(DIVIDER) ((DIVIDER) <= 15)

/**
  * @}
  */

/** @defgroup SAI_Block_Frame_Length 
  * @{
  */
#define IS_SAI_BLOCK_FRAME_LENGTH(LENGTH) ((8 <= (LENGTH)) && ((LENGTH) <= 256))

/**
  * @}
  */

/** @defgroup SAI_Block_Active_FrameLength 
  * @{
  */
#define IS_SAI_BLOCK_ACTIVE_FRAME(LENGTH) ((1 <= (LENGTH)) && ((LENGTH) <= 128))

/**
  * @}
  */

/** @defgroup SAI_Block_FS_Definition 
  * @{
  */

#define SAI_FS_StartFrame                      ((uint32_t)0x00000000)
#define I2S_FS_ChannelIdentification           ((uint32_t)SAI_xFRCR_FSDEF)
#define IS_SAI_BLOCK_FS_DEFINITION(DEFINITION) (((DEFINITION) == SAI_FS_StartFrame) || ((DEFINITION) == I2S_FS_ChannelIdentification))
/**
  * @}
  */

/** @defgroup SAI_Block_FS_Polarity 
  * @{
  */

#define SAI_FS_ActiveLow                   ((uint32_t)0x00000000)
#define SAI_FS_ActiveHigh                  ((uint32_t)SAI_xFRCR_FSPO)
#define IS_SAI_BLOCK_FS_POLARITY(POLARITY) (((POLARITY) == SAI_FS_ActiveLow) || ((POLARITY) == SAI_FS_ActiveHigh))
/**
  * @}
  */

/** @defgroup SAI_Block_FS_Offset 
  * @{
  */

#define SAI_FS_FirstBit                ((uint32_t)0x00000000)
#define SAI_FS_BeforeFirstBit          ((uint32_t)SAI_xFRCR_FSOFF)
#define IS_SAI_BLOCK_FS_OFFSET(OFFSET) (((OFFSET) == SAI_FS_FirstBit) || ((OFFSET) == SAI_FS_BeforeFirstBit))
/**
  * @}
  */

/** @defgroup SAI_Block_Slot_FirstBit_Offset
  * @{
  */
#define IS_SAI_BLOCK_FIRSTBIT_OFFSET(OFFSET) ((OFFSET) <= 24)

/**
  * @}
  */

/** @defgroup SAI_Block_Slot_Size
  * @{
  */
#define SAI_SlotSize_DataSize        ((uint32_t)0x00000000)
#define SAI_SlotSize_16b             ((uint32_t)SAI_xSLOTR_SLOTSZ_0)
#define SAI_SlotSize_32b             ((uint32_t)SAI_xSLOTR_SLOTSZ_1)
#define IS_SAI_BLOCK_SLOT_SIZE(SIZE) (((SIZE) == SAI_SlotSize_DataSize) || ((SIZE) == SAI_SlotSize_16b) || ((SIZE) == SAI_SlotSize_32b))

/**
  * @}
  */

/** @defgroup SAI_Block_Slot_Number
  * @{
  */
#define IS_SAI_BLOCK_SLOT_NUMBER(NUMBER) ((1 <= (NUMBER)) && ((NUMBER) <= 16))

/**
  * @}
  */

/** @defgroup SAI_Block_Slot_Active
  * @{
  */
#define SAI_Slot_NotActive ((uint32_t)0x00000000)
#define SAI_SlotActive_0   ((uint32_t)0x00010000)
#define SAI_SlotActive_1   ((uint32_t)0x00020000)
#define SAI_SlotActive_2   ((uint32_t)0x00040000)
#define SAI_SlotActive_3   ((uint32_t)0x00080000)
#define SAI_SlotActive_4   ((uint32_t)0x00100000)
#define SAI_SlotActive_5   ((uint32_t)0x00200000)
#define SAI_SlotActive_6   ((uint32_t)0x00400000)
#define SAI_SlotActive_7   ((uint32_t)0x00800000)
#define SAI_SlotActive_8   ((uint32_t)0x01000000)
#define SAI_SlotActive_9   ((uint32_t)0x02000000)
#define SAI_SlotActive_10  ((uint32_t)0x04000000)
#define SAI_SlotActive_11  ((uint32_t)0x08000000)
#define SAI_SlotActive_12  ((uint32_t)0x10000000)
#define SAI_SlotActive_13  ((uint32_t)0x20000000)
#define SAI_SlotActive_14  ((uint32_t)0x40000000)
#define SAI_SlotActive_15  ((uint32_t)0x80000000)
#define SAI_SlotActive_ALL ((uint32_t)0xFFFF0000)

#define IS_SAI_SLOT_ACTIVE(ACTIVE) ((ACTIVE) != 0)

/**
  * @}
  */

/** @defgroup SAI_Mono_Streo_Mode
  * @{
  */

#define SAI_MonoMode                       ((uint32_t)SAI_xCR1_MONO)
#define SAI_StreoMode                      ((uint32_t)0x00000000)
#define IS_SAI_BLOCK_MONO_STREO_MODE(MODE) (((MODE) == SAI_MonoMode) || ((MODE) == SAI_StreoMode))
/**
  * @}
  */

/** @defgroup SAI_TRIState_Management
  * @{
  */

#define SAI_Output_NotReleased                  ((uint32_t)0x00000000)
#define SAI_Output_Released                     ((uint32_t)SAI_xCR2_TRIS)
#define IS_SAI_BLOCK_TRISTATE_MANAGEMENT(STATE) (((STATE) == SAI_Output_NotReleased) || ((STATE) == SAI_Output_Released))
/**
  * @}
  */

/** @defgroup SAI_Block_Fifo_Threshold 
  * @{
  */

#define SAI_Threshold_FIFOEmpty                ((uint32_t)0x00000000)
#define SAI_FIFOThreshold_1QuarterFull         ((uint32_t)0x00000001)
#define SAI_FIFOThreshold_HalfFull             ((uint32_t)0x00000002)
#define SAI_FIFOThreshold_3QuartersFull        ((uint32_t)0x00000003)
#define SAI_FIFOThreshold_Full                 ((uint32_t)0x00000004)
#define IS_SAI_BLOCK_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SAI_Threshold_FIFOEmpty) || ((THRESHOLD) == SAI_FIFOThreshold_1QuarterFull) || ((THRESHOLD) == SAI_FIFOThreshold_HalfFull) || ((THRESHOLD) == SAI_FIFOThreshold_3QuartersFull) || ((THRESHOLD) == SAI_FIFOThreshold_Full))
/**
  * @}
  */

/** @defgroup SAI_Block_Companding_Mode
  * @{
  */

#define SAI_NoCompanding                   ((uint32_t)0x00000000)
#define SAI_ULaw_1CPL_Companding           ((uint32_t)0x00008000)
#define SAI_ALaw_1CPL_Companding           ((uint32_t)0x0000C000)
#define SAI_ULaw_2CPL_Companding           ((uint32_t)0x0000A000)
#define SAI_ALaw_2CPL_Companding           ((uint32_t)0x0000E000)
#define IS_SAI_BLOCK_COMPANDING_MODE(MODE) (((MODE) == SAI_NoCompanding) || ((MODE) == SAI_ULaw_1CPL_Companding) || ((MODE) == SAI_ALaw_1CPL_Companding) || ((MODE) == SAI_ULaw_2CPL_Companding) || ((MODE) == SAI_ALaw_2CPL_Companding))
/**
  * @}
  */

/** @defgroup SAI_Block_Mute_Value
  * @{
  */

#define SAI_ZeroValue                  ((uint32_t)0x00000000)
#define SAI_LastSentValue              ((uint32_t)SAI_xCR2_MUTEVAL)
#define IS_SAI_BLOCK_MUTE_VALUE(VALUE) (((VALUE) == SAI_ZeroValue) || ((VALUE) == SAI_LastSentValue))
/**
  * @}
  */

/** @defgroup SAI_Block_Mute_Frame_Counter
  * @{
  */

#define IS_SAI_BLOCK_MUTE_COUNTER(COUNTER) ((COUNTER) <= 63)

/**
  * @}
  */

/** @defgroup SAI_Block_Interrupts_Definition 
  * @{
  */

#define SAI_IT_OVRUDR  ((uint32_t)SAI_xIMR_OVRUDRIE)
#define SAI_IT_MUTEDET ((uint32_t)SAI_xIMR_MUTEDETIE)
#define SAI_IT_WCKCFG  ((uint32_t)SAI_xIMR_WCKCFGIE)
#define SAI_IT_FREQ    ((uint32_t)SAI_xIMR_FREQIE)
#define SAI_IT_CNRDY   ((uint32_t)SAI_xIMR_CNRDYIE)
#define SAI_IT_AFSDET  ((uint32_t)SAI_xIMR_AFSDETIE)
#define SAI_IT_LFSDET  ((uint32_t)SAI_xIMR_LFSDETIE)

#define IS_SAI_BLOCK_CONFIG_IT(IT) (((IT) == SAI_IT_OVRUDR) || ((IT) == SAI_IT_MUTEDET) || ((IT) == SAI_IT_WCKCFG) || ((IT) == SAI_IT_FREQ) || ((IT) == SAI_IT_CNRDY) || ((IT) == SAI_IT_AFSDET) || ((IT) == SAI_IT_LFSDET))
/**
  * @}
  */

/** @defgroup SAI_Block_Flags_Definition 
  * @{
  */

#define SAI_FLAG_OVRUDR  ((uint32_t)SAI_xSR_OVRUDR)
#define SAI_FLAG_MUTEDET ((uint32_t)SAI_xSR_MUTEDET)
#define SAI_FLAG_WCKCFG  ((uint32_t)SAI_xSR_WCKCFG)
#define SAI_FLAG_FREQ    ((uint32_t)SAI_xSR_FREQ)
#define SAI_FLAG_CNRDY   ((uint32_t)SAI_xSR_CNRDY)
#define SAI_FLAG_AFSDET  ((uint32_t)SAI_xSR_AFSDET)
#define SAI_FLAG_LFSDET  ((uint32_t)SAI_xSR_LFSDET)

#define IS_SAI_BLOCK_GET_FLAG(FLAG) (((FLAG) == SAI_FLAG_OVRUDR) || ((FLAG) == SAI_FLAG_MUTEDET) || ((FLAG) == SAI_FLAG_WCKCFG) || ((FLAG) == SAI_FLAG_FREQ) || ((FLAG) == SAI_FLAG_CNRDY) || ((FLAG) == SAI_FLAG_AFSDET) || ((FLAG) == SAI_FLAG_LFSDET))

#define IS_SAI_BLOCK_CLEAR_FLAG(FLAG) (((FLAG) == SAI_FLAG_OVRUDR) || ((FLAG) == SAI_FLAG_MUTEDET) || ((FLAG) == SAI_FLAG_WCKCFG) || ((FLAG) == SAI_FLAG_FREQ) || ((FLAG) == SAI_FLAG_CNRDY) || ((FLAG) == SAI_FLAG_AFSDET) || ((FLAG) == SAI_FLAG_LFSDET))
/**
  * @}
  */

/** @defgroup SAI_Block_Fifo_Status_Level 
  * @{
  */
#define SAI_FIFOStatus_Empty            ((uint32_t)0x00000000)
#define SAI_FIFOStatus_Less1QuarterFull ((uint32_t)0x00010000)
#define SAI_FIFOStatus_1QuarterFull     ((uint32_t)0x00020000)
#define SAI_FIFOStatus_HalfFull         ((uint32_t)0x00030000)
#define SAI_FIFOStatus_3QuartersFull    ((uint32_t)0x00040000)
#define SAI_FIFOStatus_Full             ((uint32_t)0x00050000)

#define IS_SAI_BLOCK_FIFO_STATUS(STATUS) (((STATUS) == SAI_FIFOStatus_Less1QuarterFull) || ((STATUS) == SAI_FIFOStatus_HalfFull) || ((STATUS) == SAI_FIFOStatus_1QuarterFull) || ((STATUS) == SAI_FIFOStatus_3QuartersFull) || ((STATUS) == SAI_FIFOStatus_Full) || ((STATUS) == SAI_FIFOStatus_Empty))
/**
  * @}
  */


/**
  * @}
  */

/* Exported macro ------------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/

/*  Function used to set the SAI configuration to the default reset state *****/
void SAI_DeInit(SAI_TypeDef *SAIx);

/* Initialization and Configuration functions *********************************/
void SAI_Init(SAI_Block_TypeDef *SAI_Block_x, SAI_InitTypeDef *SAI_InitStruct);
void SAI_FrameInit(SAI_Block_TypeDef *SAI_Block_x, SAI_FrameInitTypeDef *SAI_FrameInitStruct);
void SAI_SlotInit(SAI_Block_TypeDef *SAI_Block_x, SAI_SlotInitTypeDef *SAI_SlotInitStruct);
void SAI_StructInit(SAI_InitTypeDef *SAI_InitStruct);
void SAI_FrameStructInit(SAI_FrameInitTypeDef *SAI_FrameInitStruct);
void SAI_SlotStructInit(SAI_SlotInitTypeDef *SAI_SlotInitStruct);

void SAI_Cmd(SAI_Block_TypeDef *SAI_Block_x, FunctionalState NewState);
void SAI_MonoModeConfig(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_Mono_StreoMode);
void SAI_TRIStateConfig(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_TRIState);
void SAI_CompandingModeConfig(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_CompandingMode);
void SAI_MuteModeCmd(SAI_Block_TypeDef *SAI_Block_x, FunctionalState NewState);
void SAI_MuteValueConfig(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_MuteValue);
void SAI_MuteFrameCounterConfig(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_MuteCounter);
void SAI_FlushFIFO(SAI_Block_TypeDef *SAI_Block_x);

/* Data transfers functions ***************************************************/
void     SAI_SendData(SAI_Block_TypeDef *SAI_Block_x, uint32_t Data);
uint32_t SAI_ReceiveData(SAI_Block_TypeDef *SAI_Block_x);

/* DMA transfers management functions *****************************************/
void SAI_DMACmd(SAI_Block_TypeDef *SAI_Block_x, FunctionalState NewState);

/* Interrupts and flags management functions **********************************/
void            SAI_ITConfig(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_IT, FunctionalState NewState);
FlagStatus      SAI_GetFlagStatus(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_FLAG);
void            SAI_ClearFlag(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_FLAG);
ITStatus        SAI_GetITStatus(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_IT);
void            SAI_ClearITPendingBit(SAI_Block_TypeDef *SAI_Block_x, uint32_t SAI_IT);
FunctionalState SAI_GetCmdStatus(SAI_Block_TypeDef *SAI_Block_x);
uint32_t        SAI_GetFIFOStatus(SAI_Block_TypeDef *SAI_Block_x);

#ifdef __cplusplus
}
#endif

#endif /*__STM32F4xx_SAI_H */

/**
  * @}
  */

/**
  * @}
  */

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
